enum-枚举当做key-value业务使用

1.枚举当做key-value业务使用

 package com.uwillbe.pad.enums;

 import java.util.ArrayList;
 import java.util.List;

 /**
  * @Author: 姿势帝
  * @Description:
  * @Date: Create in 14:36 2019/1/27
  */
 public enum GroupEnum {
     /**
      * 分组id与分组名称
      */
     GROUP_1(1, "物化历"),
     GROUP_2(2, "物化地"),
     GROUP_3(3, "物生历"),
     GROUP_4(4, "物政历"),
     GROUP_5(5, "物历地"),
     GROUP_6(6, "物生政"),
     GROUP_7(7, "物生地"),
     GROUP_8(8, "物政地"),
     GROUP_9(9, "物化政"),
     GROUP_10(10, "物化生"),
     GROUP_11(11, "化生历"),
     GROUP_12(12, "化政历"),
     GROUP_13(13, "化生政"),
     GROUP_14(14, "化政地"),
     GROUP_15(15, "化历地"),
     GROUP_16(16, "化生地"),
     GROUP_17(17, "生历地"),
     GROUP_18(18, "生政地"),
     GROUP_19(19, "生政历"),
     GROUP_20(20, "政历地");

     /** 枚举值 */
     private final Integer code;

     /** 枚举描述 */
     private final String message;

     /**
      * 构造方法
      * @param code
      * @param message
      */
     GroupEnum(Integer code, String message) {
         this.code = code;
         this.message = message;
     }

     public Integer getCode() {
         return code;
     }

     public String getMessage() {
         return message;
     }

     /**
      * 通过code获取msg
      *
      * @param code 枚举值
      *
      * @return
      */
     public static String getMsgByCode(Integer code) {
         if (code == null) {
             return null;
         }
         GroupEnum enumList = getByCode(code);
         if (enumList == null) {
             return null;
         }
         return enumList.getMessage();
     }

     /**
      * 通过枚举<code>code</code>获得枚举
      *
      * values() 方法将枚举转变为数组
      *
      * @return AuthGradeEnum
      */
     public static GroupEnum getByCode(Integer code) {
         for (GroupEnum enumList : values()) {
             if (enumList.getCode().equals(code)) {
                 return enumList;
             }
         }
         return null;
     }

     /**
      * 获取全部枚举
      *
      * @return List<AuthGradeEnum>
      */
     public static List<GroupEnum> getAllEnum() {
         List<GroupEnum> list = new ArrayList<>(values().length);
         for (GroupEnum enumList : values()) {
             list.add(enumList);
         }
         return list;
     }

     /**
      * 获取全部枚举值
      *
      * @return List<String>
      */
     public static List<Integer> getAllEnumCode() {
         List<Integer> list = new ArrayList<>(values().length);
         for (GroupEnum enumList : values()) {
             list.add(enumList.getCode());
         }
         return list;
     }

 }